Euro Truck Simulator 2 start and not list in game

[jaimesfs]

Need help!
I don't know what to do anymore :(
I did the entire installation, resolved pending issues and the server is running, but...
Running "ets2server dt" shows

Server password: NOT SET
Master server: not listed

The password was entered in the file "/home/ets2server/.local/share/Euro Truck Simulator 2/server_config.sii"
The "show_server: true" option is active.

The server status is running, but it does not appear in the game.
I'm using an "Oracle Cloud" server with Ubuntu 20.04.6 LTS.

I put the server_logon_token, exported the game, copied the server_packages files and everything was OK.

I forwarded ports 27015 and 27016 TCP and UDP and also the range 100-200 TCP and UDP in "Oracle Cloud".

I put rules in iptables, now I even disabled it and nothing...

I got stuck here....

Thanks in advance.

[jaimesfs]

I solved it, in fact everything was working, but the game doesn't find the session name.
Instead of using session name, I used session ID, which recognized the session name.
Why? I have no idea.